触发器的开头怎么写

触发器的开头如何写
开头我想这样写：
当我删除表A中   guanxi为“户主”的时候触发事件，请问开头如何写

[解决办法]
CREATE TRIGGER [TRIGGER NAME] ON [dbo].[t_Comments]
FOR DELETE
AS
begin

end
[解决办法]
CREATE TRIGGER [TRIGGER NAME] ON [dbo].[TABLE1]
FOR DELETE
AS

...//要执行的sql语句